A circular-shaped item designed to maintain predetermined distance between assembled parts and/or for distributing pressure or preventing endwise movement between member parts. It has a solid cross-section and two flat parallel bearing surfaces. The distance between the bearing surfaces perpendicular to the axis of the centrally located hole shall not exceed 25 percent of the outside diameter. The diameter of the centrally located hole must exceed 75 percent of the outside diameter. Excludes laminated items. For items manufactured from impregnated graphite or lubricated nonmetallic materials, excluding felt or plastics, see gasket. For items manufactured from lubricated plastics, see bearing, washer, thrust. For items manufactured from lubricated felt, see felt, mechanical, preformed. Excludes disk, valve; insulator washer; and shim. See also spacer, plate and spacer, sleeve.
Classification: Other articles of iron or steel not wire nesoi
NSN 6150-01-189-4157
NSN 5965-01-365-5813
NSN 5910-01-335-7077
NSN 5998-00-090-3561
NSN 6220-01-253-1173
NSN 5945-01-071-3716
NSN 5895-01-008-1375
NSN 6610-01-276-7766
NSN 5925-01-381-5199
NSN 5835-01-155-8301
NSN 5990-01-012-6358
NSN 5975-01-047-0069